Compressed NFT
A compressed NFT (cNFT) is a non-fungible token on Solana that uses state compression and Merkle trees to store the bulk of its data off-chain while keeping a verifiable root on-chain, dramatically reducing minting and storage costs.
✦ Key Insight
Traditional NFTs are expensive to mint in large quantities. Compressed NFTs enable mass distribution (airdrops, gaming items, loyalty programs) at a fraction of the cost, opening new use cases for traders and creators on high-throughput chains.
✕ Common Misconceptions
Assuming all marketplaces support cNFTs natively; forgetting that some features require decompression; treating them as less secure than regular NFTs (security relies on the ledger and proofs).
Detailed Explanation
How It Works: Metadata and ownership are hashed into a Merkle tree. Only the root is stored on-chain. Updates and proofs are verified against the root. The Bubblegum program (Metaplex) standardizes creation, transfer, and decompression when full on-chain presence is needed.
FAQs:
Cheaper by how much?
Often 1,000 - 20,000× less expensive.
Can they be transferred?
Yes, with proofs.
Compatible with Ethereum tools?
Limited, primarily Solana ecosystem.
In Practice
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